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FAGNN3011-AS-M-SPDouble-Row Cylindrical Roller Inner Ring & Roller Assembly, 55 mm Bore x 26 mm Wide, Machined Brass Cage, SP Precision — No Outer Ring

Condition: New – Open box
Condition Note: New Old Stock. Inner ring with roller and cage assembly only, no outer ring.

Availability:

1 in stock

FAG NN3011-AS-M-SP double-row cylindrical roller inner ring and roller set, 55 mm bore, 26 mm wide, machined brass cage, SP precision. No outer ring.

List Price

$76.39

1 in stock

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Specifications

Key Specifications

MFR / BrandFAG
MPNNN3011-AS-M-SP
ModelNN3011 AS M SP
Bearing TypeCylindrical Roller Bearing, Open
ID55 mm
Width26 mm

Technical Specifications

MaterialChrome Steel
SeriesNN3000
Base NumberNN3011
Industry TermsDouble row cylindrical roller bearing; precision spindle bearing; NN series; machine tool bearing; inner ring and roller assembly; SP class bearing
Common MisspellingsNN3011ASMPS; NN 3011 AS M SP; NN3011-ASM-SP; FAG NN301AS.M.SP
Application TypesMachine tool spindles; precision gearboxes; grinding spindles; rotary tables; high-stiffness radial spindle positions
Bore Shaft Size55 mm (2.1654 in), straight cylindrical bore
Mpn VariantsNN3011-AS-M-SP; NN3011ASMSP; NN3011AS.M.SP; NN-3011-AS-M-SP; NN3011ASM.SP; NN3011
Manufacturer StatusActive FAG/Schaeffler precision catalogue designation
Compatible With ReplacesPlain outer ring of NN3011 (90 mm OD)
Precision ClassABEC 5 / P5
Closure TypeOpen
Cage TypeMachined
Rolling ElementsCylindrical Roller
Cage MaterialBrass
Number Of Rows2
Bore TypeStraight Bore
Snap Ring IncludedWithout Snap Ring
Harmonization Code8482.50.00.00
Part NumberNN3011-AS-M-SP

Cross-References

Cross Reference 1SKF NN 3011 TN/SP
Cross Reference 2NSK NN3011MB
Seller Part Number: AE4B1#EZ90GI

Product Description

What this part is:

The inner ring, roller complement and cage of a FAG NN3011-AS-M-SP double-row cylindrical roller bearing. Bore Diameter: 55 mm. Width: 26 mm. Number Of Rows: 2. Rolling Elements: Cylindrical Roller. Bore Type: straight cylindrical. Closure Type: Open. Cage Material: Brass, machined. Precision: SP, ISO class 5 (P5, ABEC 5). Unit Quantity: 1 Pc. Inner ring with roller and cage assembly only. No outer ring.

Decoding the designation:

NN — double-row cylindrical roller design with the three guide ribs on the inner ring and a plain separable outer ring. The reverse arrangement, ribs on the outer ring, is NNU.

30 — dimension series.

11 — bore code, 55 mm at five millimetres per unit. A complete NN3011 measures 55 x 90 x 26 mm.

AS — FAG lubrication groove with radial feed holes, machined into the outer ring.

M — machined brass cage.

SP — FAG special precision: dimensional tolerance to ISO class 5, equivalent to P5 and ABEC 5, with running accuracy held tighter than class 5.

No K suffix — straight cylindrical bore.

Specifications:

Bore Diameter: 55 mm. Width: 26 mm. Series: NN3000. Number Of Rows: 2. Rolling Elements: Cylindrical Roller. Cage Material: Brass. Cage Type: Machined. Precision Rating: ABEC 5 / P5. Material: Chrome Steel. Harmonization Code: 8482.50.00.00.

Dimensions and mounting:

Two rows of cylindrical rollers in a narrow section give very high radial rating and radial stiffness for the width. The bearing locates the shaft radially; axial location comes from a separate thrust or angular contact bearing. The machined brass cage suits the speed, temperature and lubricant drag of a precision spindle. The roller set travels with the inner ring and enters a plain outer ring axially.

Compatibility and replacement:

ISO base number NN3011. Cross-references: SKF NN 3011 TN/SP and NSK NN3011MB, inner ring and roller assemblies at class 5 precision with a machined brass cage. Matching part: the plain outer ring of an NN3011, 90 mm outside diameter, with the AS lubrication groove and feed holes. NNU4911 is a related size with ribs on the outer ring. NN3011K is the 1:12 tapered-bore form.

Frequently asked questions:

What is included?

The inner ring with its two roller rows and machined brass cage. No outer ring.

What size is it?

55 mm bore and 26 mm width; a complete NN3011 is 55 x 90 x 26 mm.

What precision class is it?

SP, ISO class 5, equivalent to P5 and ABEC 5.

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